銀ぎん河が団だんぎんがだんMeanings1noungalaxy cluster; cluster of galaxiesastronomyTechnical term in astronomy for a gravitationally bound group of galaxies.かみのけ座ざ銀ぎん河が団だんは、地ち球きゅうから約やく3億おく光こう年ねん離はなれている。The Coma Cluster of galaxies is about 300 million light-years away from Earth.
